One vertex per element, one color per generator, with an edge from x to x·s.
(2,6)(4,7)(9,10,15,16)(11,12,14,13)(17,18,21,23)(19,24,22,20)(27,31)(30,32)(1,2,5,6)(3,4,8,7)(9,11)(10,13)(12,16)(14,15)(17,19,21,22)(18,20,23,24)(26,29)(30,32)(3,8)(4,7)(9,12,15,13)(10,11,16,14)(17,20,21,24)(18,22,23,19)(25,26)(27,30)(28,29)(31,32)(1,3,5,8)(2,7,6,4)(9,13,15,12)(10,11,16,14)(17,19)(18,20)(21,22)(23,24)(1,4,5,7)(2,8,6,3)(9,14,15,11)(10,12,16,13)(17,20)(18,19)(21,24)(22,23)(25,27,28,31)(26,30,29,32)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.